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Weather & Climate in Istia D'Ombrone-Le Stiacciole, Italy
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Istia D'Ombrone-Le Stiacciole enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 44°F in January while summers reach 74°F in July. The area gets 294 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 22.9 inches (drier than the 38-inch national average). The city sits at an elevation of 118 feet.
Temperature
44°F Jan (7°C)
74°F Jul (23°C)
| Annual Average | 57.8°F |
| 7% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 294 days/yr |
Geography
| Elevation | 118 ft (36 m) |
| Area | 294.4 sq mi (762.6 km²) |
| Population Density | 5/sq mi |
| Coordinates | 42.7824°N, 11.1882°W |
| Timezone | Europe/Rome |
Precipitation & Snow
Air Quality
Earthquake History
1,178 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.0.
| Sep 26, 1997 | 3 km SSE of Nocera Umbra, Italy | M6.0 | 136 km | 10 km |
| Sep 26, 1997 | 6 km WSW of Serravalle di Chienti, Italy | M5.7 | 141 km | 10 km |
| Oct 6, 1997 | 6 km E of Valtopina, Italy | M5.5 | 137 km | 10 km |
| Oct 14, 1997 | 8 km NNW of Sellano, Italy | M5.5 | 140 km | 10 km |
| Oct 12, 1997 | 2 km NW of Sellano, Italy | M5.3 | 140 km | 10 km |
| Oct 3, 1997 | 3 km ENE of Valtopina, Italy | M5.3 | 135 km | 10 km |
| Apr 3, 1998 | 8 km E of Valfabbrica, Italy | M5.2 | 130 km | 10 km |
| Sep 18, 2023 | 7 km SE of Marradi, Italy | M5.1 | 143 km | 10 km |
| Jun 5, 1993 | 7 km ESE of Valfabbrica, Italy | M4.9 | 127 km | 8 km |
| Nov 9, 1997 | 2 km NE of Sellano, Italy | M4.8 | 144 km | 10 km |
| Mar 1, 2008 | 6 km NNW of Galliano, Italy | M4.8 | 143 km | 4 km |
| Oct 16, 1997 | 8 km ESE of Valtopina, Italy | M4.8 | 138 km | 10 km |
| Jun 22, 2000 | 8 km WSW of Cipolleto, Italy | M4.8 | 120 km | 10 km |
| Jan 26, 2003 | 2 km NW of San Piero in Bagno, Italy | M4.7 | 136 km | 7 km |
| Jan 26, 2003 | 3 km NNW of San Piero in Bagno, Italy | M4.7 | 137 km | 7 km |
| Oct 16, 1997 | 2 km N of Sellano, Italy | M4.7 | 142 km | 10 km |
| Sep 3, 1997 | 6 km ESE of Valtopina, Italy | M4.7 | 136 km | 10 km |
| Sep 26, 1997 | 4 km SSW of Serravalle di Chienti, Italy | M4.7 | 145 km | 10 km |
| Apr 5, 1998 | 6 km SW of Gualdo Tadino, Italy | M4.7 | 132 km | 10 km |
| Sep 26, 1997 | 6 km NNW of Nocera Umbra, Italy | M4.7 | 134 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
4 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1846 | LIVORNO | Earthquake | - | 56 | 84 km |
| 1846 | TUSCANY | Earthquake | - | - | 97 km |
| 1742 | LIVORNO | Earthquake | - | - | 113 km |
| 1646 | LIVORNO | Earthquake | - | - | 111 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
2 volcanoes within 200 km. Closest: Vulsini (64 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Vulsini | Caldera | 800 m (2,625 ft) | -104 | 64 km |
| Colli Albani | Caldera | 949 m (3,114 ft) | Unknown | 171 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 2.1 in | Coldest |
| February | 45°F (7°C) | 1.9 in | |
| March | 49°F (9°C) | 1.9 in | |
| April | 53°F (12°C) | 1.8 in | |
| May | 61°F (16°C) | 1.7 in | |
| June | 68°F (20°C) | 1.0 in | |
| July | 74°F (23°C) | 0.6 in | Driest |
| August | 74°F (23°C) | 1.3 in | Warmest |
| September | 68°F (20°C) | 2.5 in | |
| October | 60°F (16°C) | 2.8 in | |
| November | 51°F (11°C) | 3.1 in | Wettest |
| December | 46°F (8°C) | 2.2 in |
Istia D'Ombrone-Le Stiacciole has a seasonal temperature swing of 30°F / from 44°F in January to 74°F in August. Total annual precipitation is 22.9 inches, with November being the wettest month (3.1") and July the driest (0.6").